以带试验结果的NASA单级跨音涡轮为研究对象,对NUMECA商业软件中的四种湍流模型在相同条件下进行三维、定常数值模拟,并与相应的试验结果对比,分析各湍流模型对涡轮数值模拟结果的影响.模拟结果表明:一方程的Spalart-Allmaras模型计算稳定性和解的精度都相对较高,两方程的两个模型对于算例类涡轮数值模拟精度较差.
参考文献
[1] | 康顺.计算域选取对CFD模拟结果影响[A].北京,2004:128-133. |
[2] | 姚征,陈康民.CFD通用软件综述[J].上海理工大学学报,2002(02):137-144. |
[3] | Shim J;Chung J;Lee K D .A Comparison of Turbulence Modeling in Flow Analysis of Iced Airfoils[AIAA Paper 2000-3920][R].,2000. |
[4] | Peng S H;Eliasson P .A Comparison of Turbulence Models in Prediciton of Flow Around the DLR-F6 Aircraft Configuration[AIAA Paper 2004-4718][R].,2004. |
[5] | Rene Pecnik;Paul Pieringer;Wolfgang Sanz .Numerical Investigation of the Secondary Flow of a Transonic Turbine Stage using Various Turbulence Closures[ GT 2005-68754][R].,2005. |
[6] | Mauricio Córdova;Bernd Stoffel .Comparison of Various Turbulence Models in respect to Their Suitability for CFD Calculations of Diffuser Flows [GT 2006-90524][R].,2006. |
[7] | Moffitt T P;Szanca E M;Whitney W J et al.Design and Cold-Air Test of Single-Stage Uncooled Core Turbine With High Work Output NASA Technical Paper 1680[R].,1980. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%